package com.syyo.gulimall.order.web;

import com.syyo.gulimall.order.domain.vo.OrderConfirmVo;
import com.syyo.gulimall.order.domain.vo.OrderSubmitRespVo;
import com.syyo.gulimall.order.domain.vo.OrderSubmitVo;
import com.syyo.gulimall.order.service.OrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @ author: wang
 * @ date: 2021/4/26 14:26
 * @ Description:
 */
@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;


    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {

        OrderConfirmVo orderConfirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", orderConfirmVo);
        return "confirm";
    }

    /**
     * 下单
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes) {
        // 下单，创建订单，验令牌，验价格，锁库存
        OrderSubmitRespVo respVo = orderService.submitOrder(vo);
        if (respVo.getCode() == 0) {
            // 下单成功
            model.addAttribute("order", respVo);
            return "pay";
        } else {
            String msg = "下单失败:：";
            switch (respVo.getCode()) {
                case 1:
                    msg += "订单信息过期，请刷新再提交";
                    break;
                case 2:
                    msg += "订单价格发生变化，请确认后再提交";
                    break;
                case 3:
                    msg += "库存锁定失败，商品库存不足";
                    break;
            }
            redirectAttributes.addFlashAttribute("msg", msg);
            // 下单失败
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
